<wicket:extend xmlns:wicket="http://www.w3.org/1999/xhtml">
  <form wicket:id="form">
    <div wicket:id="feedback" style="text-align: center;"></div>
    <table wicket:id="oArtifactsTable" class="table table-sm table-hover"></table>
  </form>
</wicket:extend>